Full Description
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2023 Best speaker system £1500-£3000
“KEF’s second-generation speaker system is still incredible”
Award
2022 Best all-in-one system over £1500
“KEF’s revisions have paid off: these sequels are among the most thrilling speaker systems we’ve heard”
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2020-2021 Best all-in-one system over £1000
“An innovative and entertaining sequel”
“As a new product following in the footsteps of such a huge success, the KEF LS50 Wireless IIs arrive with a world of expectation on their shoulders – but they well and truly meet those expectations. Make no mistake, this is a sequel of rare quality.”
AV Forums – Highly Recommended
“All the engineering cleverness has been corralled into something fundamentally usable day to day and that obviates some of the demands that the passive version makes on commensurately priced equipment.”
The multi-award winning LS50 Wireless speaker system set the bar high for high-performance wireless speakers, and in the same spirit of invention and innovation that created the original, the LS50 Wireless II is much more than just a new generation.
The result of three years intensive research and development, the new KEF LS50 Wireless II is a fully active wireless stereo speaker system that delivers pristine, KEF signature sound coupled with great usability and high-performance wireless capability. LS50 Wireless II has been built on a whole new acoustic platform, the LS50 Meta passive loudspeakers, while the brand-new wireless platform has been engineered from the ground up. Active electronics, Digital Signal Processing (DSP), wireless streaming platform and the new KEF Connect app all combine to set a new benchmark of class-leading acoustic and user experience.
All The Music, All The Time
The new wireless platform that sits at the digital heart of the LS50 Wireless II ensures that no matter how you like to listen to your music, you will be able to do so with the minimum of fuss and in fantastic sound quality. LS50 Wireless II gives you direct access to your favourite music services, including Spotify (via Spotify Connect), Tidal, Amazon Music, Qobuz and Deezer. You can even tune in to Internet Radio Stations and catch up on the latest podcasts through the KEF Connect app. AirPlay 2 and Google Chromecast seamlessly connects your compatible Apple or Android device, whilst Bluetooth expands the options even further. There are also wired connections for your TV, turntable, CD player and games console, via the HDMI, analogue, optical and coaxial inputs. LS50 Wireless II has audiophiles covered with support for streaming music files up to 24bit/384kHz, as well as MQA Decoding, DSD256, and Roon Ready. These features mean that even the experienced hi-fi enthusiast will marvel at this exceptional loudspeaker’s ability; LS50 Wireless II really does offer something to everybody
Let You Be You
Even beyond the flawless musical performance, the LS50 Wireless II speaker system is a breeze to set up, intuitive to use and offers over-the-air firmware updates for bringing you new and improved features with the minimum of fuss. You can choose to connect the speakers with the supplied cable (24bit/192kHz resolution) or wirelessly (with 24bit/96kHz resolution) for a completely clutter-free set up. You can even select your favourite source to wake up LS50 Wireless II whenever it comes on, giving you immediate access to your favourite source. Plus, when using AirPlay 2, Chromecast or ROON you can stream to multiple speakers, so you can play music all over your house. The brand-new dedicated KEF Connect app walks you through the set-up and controls the system on a day-to-day basis, including intuitive sound settings, so you can tune LS50 Wireless II to your own personal tastes.
Attention To Every Detail
The LS50 Wireless II will also fits comfortably into your living space when it comes to style. The lowdiffraction, curved baffle is precision modelled around the Uni-Q driver array, while eye-catching heat sinks and colour-matched ports are located on the well-equipped rear. LS50 Wireless II is available in three matt finishes, Carbon Black, Titanium Grey, Mineral White as well as a Crimson Red Special Edition. All the colours are mirrored on both the drive units and the rear-facing port means the LS50 Wireless II looks fantastic from any angle. On the LS50 Wireless II’s underside, each corner has a threaded inset allowing the speaker to lock onto the top of the new KEF S2 Floor Stands, which also boast integrated cable management and a mass loadable column. The stands are all colour matched to your finish of choice. For even more impact and bass extension, LS50 Wireless II features two subwoofer outputs, one on each speaker. When paired with KEF’s KUBE range or KF92 subwoofers, music and film becomes even more impactful.
Most Accurate, Immersive Sound
When it comes to physical technology, LS50 Wireless II takes its lead from KEF’s LS50 Meta passive loudspeakers. A truly revolutionary tool in the KEF acoustic armoury, Metamaterial Absorption Technology (MAT) is a highly complex maze-like structure, where each of the intricate channels efficiently absorbs a specific frequency. When combined, the channels act as an acoustic black hole, absorbing 99 of the unwanted sound that comes from the rear of the tweeter, eliminating the resulting distortion and providing a purer, more natural sound.
Specifications
Dimensions
| Dimensions per speaker (H x W x D ) | 305 x 200 x 311 mm |
|---|---|
| Weight (per set) | 20.1 kg |
General
| Model | LS50 Wireless II |
|---|---|
| Drive units | Uni-Q Driver Array
LF: 130 mm (5.25 in.) aluminium cone
HF: 25 mm (1 in.) vented aluminium dome with Metamaterial Absorption Technology |
| Frequency range (-6dB) measured at 85dB/1m | 40Hz – 47kHz
*Depends on EQ settings |
| Frequency response (±3dB)measured at 85dB/1m | 45Hz – 28kHz
*Depends on EQ settings |
| Amplifier output power (per speaker) | LF: 280W, HF: 100W |
| Amplifier class (per speaker) | LF: Class D, HF: Class AB |
| Max SPL measured at 1m | 108 dB |
| Wireless streaming features | AirPlay 2
Google Chromecast
ROON Ready
UPnP Compatible
Bluetooth 4.2 |
| Streaming services | Spotify via Spotify Connect
Tidal
Amazon Music
Qobuz
Deezer
QQ Music via QPlay,
Internet Radio
Podcast
*Depends on services availability in different countries |
| Source resolution | Network up to 384kHz/24bit
Optical up to 96kHz/24bit
Coaxial up to 192kHz/24bit
HDMI up to 192kHz/24bit
*Depends on source resolution |
| Interspeaker connection | Wireless: all sources resampled to 96kHz/24bit PCM
Wired: all sources resampled to 192kHz/24bit PCM |
| Supported format (all inputs) | MP3
M4A
AAC
FLAC
WAV
AIFF
ALAC
WMA
LPCM
Ogg Vorbis |
| Supported format (network) | MQA: MQA Core Decoder
DSF: DSD64, DSD128, DSD256
DFF: DSD64 |
| Power input | 100 – 240VAC 50/60Hz |
| Power consumption | 200W (operating power)
|
| Inputs Primary Speaker | HDMI eARC
TOSLINK Optical
Digital Coaxial
Analog 3.5mm Auxiliary
USB Type A (service)
RJ45 Ethernet (network)
RJ45 Ethernet (interspeaker) |
| Inputs Secondary Speaker | USB Type A (service)
RJ45 Ethernet (interspeaker) |
| Output Primary Speaker | RCA Subwoofer output |
| Output Secondary Speaker | RCA Subwoofer output |
| Wi-Fi network standard | IEEE 802.11a/b/g/n/ac
IPv4
IPv6 |
| Wi-Fi network frequency band | Dual-band 2.4 GHz / 5 GHz |
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